Gross beta particle & photon emitters (man-made) Exposure by State

Water utilities in 1 states have reported detecting Gross beta particle & photon emitters (man-made) in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.

The enforceable standard which defines the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to health-based limits (Maximum Contaminant Level Goals, or MCLGs) as feasible using the best available analytical and treatment technologies and taking cost into consideration. Source: U.S. Environmental Protection Agency.